:root {
  color-scheme: light;
  --ink: #12201f;
  --muted: #60706f;
  --soft: #f4f7f2;
  --panel: #ffffff;
  --line: rgba(18, 32, 31, 0.12);
  --accent: #0f8f7a;
  --accent-2: #d6ff62;
  --alert: #f26b4f;
  --deep: #102421;
  --shadow: 0 24px 70px rgba(16, 36, 33, 0.13);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(120deg, rgba(15, 143, 122, 0.08), transparent 32%),
    radial-gradient(circle at 85% 8%, rgba(214, 255, 98, 0.24), transparent 24%),
    #fbfcf7;
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-shell {
  min-height: 100vh;
  overflow: clip;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(var(--max), calc(100% - 32px));
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 10px;
  border: 1px solid rgba(18, 32, 31, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 35px rgba(18, 32, 31, 0.08);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 6px;
  background: var(--deep);
  color: var(--accent-2);
  font: 800 0.82rem/1 "JetBrains Mono", monospace;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.95rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 2px;
}

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a,
.nav-cta,
.lang-button {
  border-radius: 6px;
  padding: 10px 12px;
  color: #405250;
  font-size: 0.87rem;
  font-weight: 700;
}

.nav a:hover,
.nav-cta:hover,
.lang-button:hover {
  background: rgba(15, 143, 122, 0.09);
  color: var(--ink);
}

.nav-cta {
  border: 1px solid var(--line);
  background: #fff;
}

.language-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.lang-button {
  min-width: 40px;
  min-height: 36px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
}

.lang-button.active {
  background: var(--deep);
  color: var(--accent-2);
}

.section-band {
  padding: 92px max(24px, calc((100vw - var(--max)) / 2));
}

.hero {
  min-height: calc(92vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.78fr);
  align-items: center;
  gap: 56px;
  padding-top: 54px;
  padding-bottom: 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font: 800 0.76rem/1.4 "JetBrains Mono", monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 5.4vw, 5rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  line-height: 1.18;
}

.hero-lead {
  max-width: 650px;
  color: #435755;
  font-size: 1.14rem;
  line-height: 1.55;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--deep);
  color: #fff;
  box-shadow: 0 16px 38px rgba(16, 36, 33, 0.22);
}

.button.secondary {
  background: var(--accent-2);
  color: #15211f;
  border-color: rgba(18, 32, 31, 0.12);
}

.button.ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 30px 0 0;
}

.signal-strip div {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 5px 0 0;
  font-weight: 800;
}

.control-room {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  padding: 18px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.12), transparent 34%),
    #102421;
  color: #eef8f4;
  box-shadow: var(--shadow);
}

.control-room::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(214, 255, 98, 0.12);
  border-radius: 6px;
  pointer-events: none;
}

.panel-header,
.case-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-header {
  position: relative;
  z-index: 1;
  color: #b8cbc6;
  font: 700 0.8rem/1.4 "JetBrains Mono", monospace;
}

.panel-header strong {
  color: var(--accent-2);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 6px rgba(214, 255, 98, 0.12);
}

.status-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 24px;
}

.metric {
  min-height: 130px;
  padding: 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.metric:nth-child(3) {
  grid-column: 1 / -1;
}

.metric span,
.metric small {
  display: block;
  color: #9fb7b1;
}

.metric strong {
  display: block;
  margin: 12px 0 8px;
  color: #fff;
  font-size: clamp(1.65rem, 4vw, 3rem);
  line-height: 1;
}

.metric.accent {
  background: var(--accent-2);
  color: var(--deep);
}

.metric.accent span,
.metric.accent small,
.metric.accent strong {
  color: var(--deep);
}

.transaction-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 20px 1fr 20px 1fr 20px 1fr;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: #dce9e4;
  font: 700 0.72rem/1.2 "JetBrains Mono", monospace;
}

.transaction-flow span {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  text-align: center;
}

.transaction-flow i {
  height: 2px;
  background: var(--accent-2);
}

.log-window {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  padding: 16px;
  border-radius: 6px;
  background: #071210;
  color: #b8cbc6;
  font: 500 0.76rem/1.8 "JetBrains Mono", monospace;
  overflow: hidden;
}

.log-window b {
  color: var(--accent-2);
}

.log-window em {
  color: #6ee7d0;
  font-style: normal;
}

.profile-band,
.api-band,
.artifacts-band,
.contact-band {
  background: #ffffff;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 36px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading p:not(.eyebrow),
.feature-card p,
.case-card p,
.timeline p,
.contact-content p,
.material-note p {
  color: var(--muted);
  line-height: 1.65;
}

.expertise-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card,
.case-card,
.material-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 24px;
  box-shadow: 0 16px 45px rgba(18, 32, 31, 0.06);
}

.feature-card {
  min-height: 270px;
}

.card-kicker {
  display: inline-flex;
  margin-bottom: 36px;
  color: var(--accent);
  font: 800 0.78rem/1 "JetBrains Mono", monospace;
}

.timeline-band {
  background: var(--soft);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.timeline article {
  min-height: 245px;
  border-top: 3px solid var(--accent);
  padding: 24px 20px;
  background: rgba(255, 255, 255, 0.76);
}

.timeline time {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--muted);
  font: 800 0.76rem/1.2 "JetBrains Mono", monospace;
}

.cases-band {
  background: #102421;
  color: #fff;
}

.cases-band .section-heading .eyebrow,
.cases-band .case-topline span {
  color: var(--accent-2);
}

.cases-band .section-heading h2 {
  color: #fff;
}

.case-grid {
  grid-template-columns: repeat(3, 1fr);
}

.case-card {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.11);
  box-shadow: none;
}

.case-card p,
.case-card li {
  color: #c7d7d2;
}

.case-card ul {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  margin: 20px 0 26px;
}

.case-topline {
  margin-bottom: 46px;
  font: 800 0.72rem/1.2 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.case-topline strong {
  color: #9fb7b1;
}

.text-button,
.artifact-tab,
.modal-close,
.send-button,
.endpoint-cards button {
  cursor: pointer;
  font: inherit;
}

.text-button {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(214, 255, 98, 0.38);
  border-radius: 6px;
  background: rgba(214, 255, 98, 0.08);
  color: var(--accent-2);
  font-weight: 800;
}

.text-button:hover {
  background: var(--accent-2);
  color: var(--deep);
}

.artifact-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
}

.artifact-board {
  display: grid;
  align-content: start;
  gap: 8px;
}

.artifact-tab {
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #405250;
  font-weight: 800;
  text-align: left;
}

.artifact-tab.active,
.artifact-tab:hover {
  background: var(--deep);
  color: #fff;
}

.artifact-preview {
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(15, 143, 122, 0.08), transparent 42%),
    #fff;
  padding: 30px;
  box-shadow: var(--shadow);
}

.artifact-panel {
  display: none;
}

.artifact-panel.active {
  display: block;
}

.panel-label {
  color: var(--accent);
  font: 800 0.76rem/1 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.artifact-panel dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px 0 0;
}

.artifact-panel dl div,
.risk-grid span,
.risk-grid strong {
  padding: 16px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.artifact-panel ol {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.65;
}

.risk-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 10px;
  margin-top: 24px;
}

.risk-grid span {
  color: var(--muted);
  font-weight: 800;
}

pre {
  margin: 24px 0 0;
  padding: 22px;
  border-radius: 6px;
  background: #071210;
  color: #c7f7ed;
  overflow-x: auto;
  font: 500 0.86rem/1.7 "JetBrains Mono", monospace;
}

.material-note {
  margin-top: 18px;
}

.api-band {
  background:
    linear-gradient(180deg, rgba(244, 247, 242, 0.7), #ffffff 48%),
    #ffffff;
}

.api-band .section-heading p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.65;
  max-width: 720px;
}

.api-console {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: #102421;
  color: #eaf6f2;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.request-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.method,
.send-button,
#endpointSelect {
  min-height: 46px;
  border-radius: 6px;
  font-weight: 800;
}

.method {
  display: inline-grid;
  place-items: center;
  padding: 0 16px;
  background: var(--accent-2);
  color: var(--deep);
  font-family: "JetBrains Mono", monospace;
}

#endpointSelect {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #071210;
  color: #dce9e4;
  padding: 0 14px;
  font: 800 0.95rem/1 "JetBrains Mono", monospace;
}

.send-button {
  border: 0;
  background: #ffffff;
  color: var(--deep);
  padding: 0 22px;
}

.send-button:hover {
  background: var(--accent-2);
}

.api-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 16px 0;
  font: 700 0.75rem/1.3 "JetBrains Mono", monospace;
}

.api-meta span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 8px 10px;
  color: #9fb7b1;
}

.api-meta em {
  color: #6ee7d0;
  font-style: normal;
}

.json-response {
  min-height: 390px;
  margin: 16px;
  border: 1px solid rgba(214, 255, 98, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
}

.endpoint-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.endpoint-cards button {
  min-height: 145px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
  text-align: left;
  box-shadow: 0 16px 45px rgba(18, 32, 31, 0.06);
}

.endpoint-cards button:hover {
  border-color: rgba(15, 143, 122, 0.44);
  transform: translateY(-2px);
}

.endpoint-cards strong,
.endpoint-cards span {
  display: block;
}

.endpoint-cards strong {
  margin-bottom: 18px;
  color: var(--accent);
  font: 800 0.92rem/1.3 "JetBrains Mono", monospace;
}

.endpoint-cards span {
  color: var(--muted);
  line-height: 1.55;
}

.stack-band {
  background: var(--soft);
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-list span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 10px 15px;
  color: #405250;
  font-weight: 800;
}

.contact-band {
  padding-bottom: 120px;
}

.contact-content {
  max-width: 900px;
}

.contact-content p:not(.eyebrow) {
  max-width: 720px;
  font-size: 1.1rem;
}

.modal {
  width: min(760px, calc(100vw - 32px));
  border: 0;
  padding: 0;
  border-radius: var(--radius);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: rgba(7, 18, 16, 0.68);
  backdrop-filter: blur(6px);
}

.modal-panel {
  padding: 30px;
  background: #fff;
}

.modal-close {
  float: right;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

#modalBody {
  color: var(--muted);
  line-height: 1.65;
}

#modalBody ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .control-room {
    max-width: 680px;
  }

  .signal-strip,
  .expertise-grid,
  .timeline,
  .case-grid,
  .artifact-layout,
  .endpoint-cards {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .timeline article {
    min-height: auto;
  }

  .artifact-board {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .topbar {
    width: min(100% - 20px, var(--max));
    margin-top: 10px;
  }

  .brand small,
  .nav-cta {
    display: none;
  }

  .topbar-actions {
    gap: 0;
  }

  .language-toggle {
    padding: 3px;
  }

  .lang-button {
    min-width: 36px;
    padding: 8px;
  }

  .section-band {
    padding: 74px 18px;
  }

  .hero {
    padding-top: 56px;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.15rem);
    line-height: 1;
  }

  h2 {
    font-size: clamp(1.9rem, 11vw, 2.85rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .status-grid,
  .artifact-panel dl,
  .risk-grid,
  .artifact-board,
  .request-bar {
    grid-template-columns: 1fr;
  }

  .transaction-flow {
    grid-template-columns: 1fr;
  }

  .transaction-flow i {
    width: 2px;
    height: 14px;
    justify-self: center;
  }

  .artifact-preview,
  .modal-panel {
    padding: 20px;
  }

  .json-response {
    min-height: 340px;
    margin: 12px;
    font-size: 0.72rem;
  }
}